Ms Lambie said Tasmanians, especially pensioners, were paying the price of the carbon tax.

"The rest of the world isn't really doing what we're doing."

She also has grave doubts about the renewable energy target.

The RET has underpinned much of the renewable energy development in Tasmania.

However, Ms Lambie said, its costs were hurting key Tasmanian businesses, along with the carbon tax.

She said she did not support the RET, but was yet to form a view on whether it should be amended or abolished.

The Abbott government is having it reviewed.

Ms Lambie said Tasmania would have been better to use the money spent on wind farms for upgrading existing power infrastructure, which, she argued, could have led to power prices lower than they are now.

PROFESSOR MEETS PUP

Ms Lambie met prominent economist Professor Ross Garnaut on Monday at the Ikon Hotel in Burnie. "I wanted to meet with Ross Garnaut so that I could make an informed vote from a Tasmanian perspective on the carbon tax," she said.

She said they discussed the world's average temperatures, using a graph she produced from Al Gore's book, An Inconvenient Truth.

"Gore shows world climate change over the last 650,000 years by using the bubbles of air trapped in Ice core samples to calculate the average world temperature," she said.

Jacqui Lambie still plans to vote to axe the carbon tax despite a meeting with its designer, Ross Garnaut.

The average world temperature - "the temperature everyone is worried about" - was about 14.5C. She said the graph showed average temperature about 110,00 years ago went from 14.5C to about 19C "without the influence of man-made carbon (dioxide emissions)".

"It then drops like a stone from 19C to around 5-6C (Ice Age) and stays there for 70,000 years until the natural cycle takes over and it jumps over 15,000-20,000 years to today's average temperature of 14.5C."

Professor Garnaut said he did not accept Ms Lambie's comments as a record of their meeting.

"However, I do not wish to enter a dispute over respective recollections of what I experienced as a relaxed and enjoyable, long, private conversation between people who were seeking a shared understanding of an important question."

POWER COSTS

"Ross confirmed that the carbon tax had contributed to the increases in our electricity for pensioners, businesses and manufacturers and that we had some of the highest electricity and energy costs in the world," Ms Lambie said.

"His briefing hasn't changed my mind on my decision to vote for the removal of the carbon tax.

"I raised with him a need to switch from a policy of trying to stop climate change to a more sensible policy of climate survival; pay more attention to food security, energy security and national security."